Agent skills for ChatGPT

Comprehensive prompt engineering reference for Claude Opus 4.6.

Trademark clearance first pass — knockout + similar-marks check producing a flag list, not a clearance opinion.

Query ClinicalTrials.gov via API v2. Search trials by condition, drug, location, status, or phase. Retrieve trial details by NCT ID…

Project health and ROI dashboard. Use monthly or when evaluating workflow effectiveness. Shows bugs caught, token cost, and trends.

Code review a pull request

Fetch a web page (URL) and return clean Markdown via local trafilatura, with Exa MCP as a fallback for JS-rendered or anti-bot pages.

Perform cohort analysis on user engagement data — retention curves, feature adoption trends, and segment-level insights.

Write B2B cold emails and follow-up sequences that earn replies.

Systematic competitor tracking that feeds positioning, battlecards, and roadmap decisions.

Audit and inventory existing UI components in a codebase

Comprehensive PDF manipulation toolkit for extracting text and tables, creating new PDFs, merging/splitting documents, and handling forms.

Legal methods for accessing paywalled and geo-blocked content.

Guide for drafting cookie policies that comply with the GDPR and the ePrivacy Directive.

Browser automation CLI for AI agents. Use when the user needs to interact with websites, including navigating pages, filling forms…

Issue Shopify gift cards (store credit) to customers as a goodwill gesture, post-return incentive, or loyalty reward.

High-performance kernel template libraries and DSLs.

Review the local unstaged/staged diff with Darkroom's checklist, or summarize active-PR feedback.

Build data ingestion pipelines for batch and streaming data from multiple sources.

Extracts and maps data lineage from various sources including SQL, dbt, Airflow, and Spark, generating comprehensive lineage graphs for…

Automate Todoist task management, projects, sections, filtering, and bulk operations via Rube MCP (Composio).

Complete knowledge domain for Cloudflare Browser Rendering - Headless Chrome automation with Puppeteer and Playwright on Cloudflare…